Assuming that the platform does make an audible difference, I'd make sure your home and contents insurance is paid up. It could be the eigenfrequency (or a harmonic thereof) is within the audio band or it could be the bearing in your central heating pump/air-con compressor is about to let go...


Mark
G68, baby Genelecs, Humax Foxsat, Oppo+Vanity93, Toshiba HD-A35, Pioneer CLD-925 + Meridian 519, various other random bits and bobs
Got a black G08.2 you want to sell?